refactor: Switch to using an auto-generated riff-raff.yaml file

[akash1810]

Part of #645.

What does this change?

In this change we move to an auto-generated riff-raff.yaml file using @guardian/cdk, a feature released in v47.1.0.

Why?

Primarily, this is to test the experimental¹ GuCDK feature "in the wild". But also, it simplifies things a little; should we wish to deploy to another region, we'd now just need to update the cdk.ts file and the generated riff-raff.yaml file will include the new region.

Notes

The manual riff-raff.yaml explicitly names the CloudFormation stack to deploy to, whereas the auto-generated file opts to use tag discovery (Stack, Stage, and App tags).

We need to ensure these tags are present on the CloudFormation stacks before shipping this, else Riff-Raff will try to create a new CFN stack (and fail), which is undesired! Update: Riff-Raff is applying the standard SSA tags to CloudFormation stacks since guardian/riff-raff#934. That is, the aforementioned concern is no longer present.

Content of generated file

allowedStages:
  - CODE
  - PROD
deployments:
  lambda-upload-eu-west-1-cmp-monitoring-cmp-monitoring-lambda-eu-west-1:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - eu-west-1
    app: cmp-monitoring-lambda-eu-west-1
    contentDirectory: cmp-monitoring-lambda-eu-west-1
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-eu-west-1.zip
    actions:
      - uploadLambda
  cfn-eu-west-1-cmp-monitoring-monitoring:
    type: cloud-formation
    regions:
      - eu-west-1
    stacks:
      - cmp-monitoring
    app: monitoring
    contentDirectory: cdk.out
    parameters:
      templateStagePaths:
        CODE: CmpMonitoringStackEUCode.template.json
        PROD: CmpMonitoringStackEUProd.template.json
    dependencies:
      - lambda-upload-eu-west-1-cmp-monitoring-cmp-monitoring-lambda-eu-west-1
  lambda-update-eu-west-1-cmp-monitoring-cmp-monitoring-lambda-eu-west-1:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - eu-west-1
    app: cmp-monitoring-lambda-eu-west-1
    contentDirectory: cmp-monitoring-lambda-eu-west-1
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-eu-west-1.zip
    actions:
      - updateLambda
    dependencies:
      - cfn-eu-west-1-cmp-monitoring-monitoring
  lambda-upload-us-west-1-cmp-monitoring-cmp-monitoring-lambda-us-west-1:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - us-west-1
    app: cmp-monitoring-lambda-us-west-1
    contentDirectory: cmp-monitoring-lambda-us-west-1
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-us-west-1.zip
    actions:
      - uploadLambda
  cfn-us-west-1-cmp-monitoring-monitoring:
    type: cloud-formation
    regions:
      - us-west-1
    stacks:
      - cmp-monitoring
    app: monitoring
    contentDirectory: cdk.out
    parameters:
      templateStagePaths:
        CODE: CmpMonitoringStackUSCode.template.json
        PROD: CmpMonitoringStackUSProd.template.json
    dependencies:
      - lambda-upload-us-west-1-cmp-monitoring-cmp-monitoring-lambda-us-west-1
  lambda-update-us-west-1-cmp-monitoring-cmp-monitoring-lambda-us-west-1:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - us-west-1
    app: cmp-monitoring-lambda-us-west-1
    contentDirectory: cmp-monitoring-lambda-us-west-1
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-us-west-1.zip
    actions:
      - updateLambda
    dependencies:
      - cfn-us-west-1-cmp-monitoring-monitoring
  lambda-upload-ap-southeast-2-cmp-monitoring-cmp-monitoring-lambda-ap-southeast-2:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - ap-southeast-2
    app: cmp-monitoring-lambda-ap-southeast-2
    contentDirectory: cmp-monitoring-lambda-ap-southeast-2
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-ap-southeast-2.zip
    actions:
      - uploadLambda
  cfn-ap-southeast-2-cmp-monitoring-monitoring:
    type: cloud-formation
    regions:
      - ap-southeast-2
    stacks:
      - cmp-monitoring
    app: monitoring
    contentDirectory: cdk.out
    parameters:
      templateStagePaths:
        CODE: CmpMonitoringStackAPCode.template.json
        PROD: CmpMonitoringStackAPProd.template.json
    dependencies:
      - >-
        lambda-upload-ap-southeast-2-cmp-monitoring-cmp-monitoring-lambda-ap-southeast-2
  lambda-update-ap-southeast-2-cmp-monitoring-cmp-monitoring-lambda-ap-southeast-2:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - ap-southeast-2
    app: cmp-monitoring-lambda-ap-southeast-2
    contentDirectory: cmp-monitoring-lambda-ap-southeast-2
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-ap-southeast-2.zip
    actions:
      - updateLambda
    dependencies:
      - cfn-ap-southeast-2-cmp-monitoring-monitoring
  lambda-upload-ca-central-1-cmp-monitoring-cmp-monitoring-lambda-ca-central-1:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - ca-central-1
    app: cmp-monitoring-lambda-ca-central-1
    contentDirectory: cmp-monitoring-lambda-ca-central-1
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-ca-central-1.zip
    actions:
      - uploadLambda
  cfn-ca-central-1-cmp-monitoring-monitoring:
    type: cloud-formation
    regions:
      - ca-central-1
    stacks:
      - cmp-monitoring
    app: monitoring
    contentDirectory: cdk.out
    parameters:
      templateStagePaths:
        CODE: CmpMonitoringStackCACode.template.json
        PROD: CmpMonitoringStackCAProd.template.json
    dependencies:
      - >-
        lambda-upload-ca-central-1-cmp-monitoring-cmp-monitoring-lambda-ca-central-1
  lambda-update-ca-central-1-cmp-monitoring-cmp-monitoring-lambda-ca-central-1:
    type: aws-lambda
    stacks:
      - cmp-monitoring
    regions:
      - ca-central-1
    app: cmp-monitoring-lambda-ca-central-1
    contentDirectory: cmp-monitoring-lambda-ca-central-1
    parameters:
      bucketSsmLookup: true
      lookupByTags: true
      fileName: cmp-monitoring-lambda-ca-central-1.zip
    actions:
      - updateLambda
    dependencies:
      - cfn-ca-central-1-cmp-monitoring-monitoring

Footnotes

1. "Experimental" sounds risky, some background can be found here. The feature is being used in PROD today too. ↩

[akash1810]

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